fixup! Always render choice boxes

Address feedback from pull request.

main.c

@@ -13,6 +13,10 @@
 #include "slurp.h"
 #include "render.h"
 
+#define BG_COLOR 0xFFFFFF40
+#define BORDER_COLOR 0x000000FF
+#define SELECTION_COLOR 0x00000000
+
 static void noop() {
 	// This space intentionally left blank
 }
@@ -710,10 +714,10 @@ static void add_choice_box(struct slurp_state *state,
 int main(int argc, char *argv[]) {
 	struct slurp_state state = {
 		.colors = {
-			.background = 0xFFFFFF40,
-			.border = 0x000000FF,
-			.selection = 0x00000000,
-			.choice = 0xCCCCFF40,
+			.background = BG_COLOR,
+			.border = BORDER_COLOR,
+			.selection = SELECTION_COLOR,
+			.choice = BG_COLOR,
 		},
 		.border_weight = 2,
 		.display_dimensions = false,
@@ -739,7 +743,7 @@ int main(int argc, char *argv[]) {
 		case 's':
 			state.colors.selection = parse_color(optarg);
 			break;
-		case 'o':
+		case 'B':
 			state.colors.choice = parse_color(optarg);
 			break;
 		case 'f':

render.c

@@ -19,7 +19,7 @@ static void draw_rect(cairo_t *cairo, struct slurp_box *box, uint32_t color, int
 			box->width * scale, box->height * scale);
 }
 
-static void adjust_box(struct slurp_box *box, struct slurp_output *output) {
+static void box_layout_to_output(struct slurp_box *box, struct slurp_output *output) {
 	box->x -= output->logical_geometry.x;
 	box->y -= output->logical_geometry.y;
 }
@@ -41,7 +41,7 @@ void render(struct slurp_output *output) {
 		if (box_intersect(&output->logical_geometry,
 					choice_box)) {
 			struct slurp_box b = *choice_box;
-			adjust_box(&b, output);
+			box_layout_to_output(&b, output);
 			draw_rect(cairo, &b, state->colors.choice, scale);
 			cairo_fill(cairo);
 		}
@@ -63,7 +63,7 @@ void render(struct slurp_output *output) {
 			continue;
 		}
 		struct slurp_box b = current_selection->selection;
-		adjust_box(&b, output);
+		box_layout_to_output(&b, output);
 
 		draw_rect(cairo, &b, state->colors.selection, scale);
 		cairo_fill(cairo);

slurp.1.scd

@@ -40,7 +40,7 @@ held, the selection is moved instead of being resized.
 *-s* _color_
 	Set selection color. See *COLORS* for more detail.
 
-*-o* _color_
+*-B* _color_
 	Set color for highlighting predefined rectangles from standard input when not
 	selected.